3665146 has 8 divisors (see below), whose sum is σ = 5646420. Its totient is φ = 1783008.

The previous prime is 3665141. The next prime is 3665147. The reversal of 3665146 is 6415663.

It can be written as a sum of positive squares in 2 ways, for example, as 3651921 + 13225 = 1911^2 + 115^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3665141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24691 + ... + 24838.

Almost surely, 2^3665146 is an apocalyptic number.

3665146 is a deficient number, since it is larger than the sum of its proper divisors (1981274).

3665146 is a wasteful number, since it uses less digits than its factorization.

3665146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49568.

The product of its digits is 12960, while the sum is 31.

The square root of 3665146 is about 1914.4571032018. The cubic root of 3665146 is about 154.1808467437.

The spelling of 3665146 in words is "three million, six hundred sixty-five thousand, one hundred forty-six".